for Dirty or Aerated Liquids

Non-ContactingDoppler Flow Meter

Greyline PDFM 5.1

Displays, Datalogs

Transmits and Totalizes

Flow in Closed Pipes

Simple -key Calibration5

300,000 point Data Logger

4-20mA Output

10-Digit Totalizer

AC/DC Operation

Built-in Rechargeable Battery

Versatile, Easy to Use

Ideal for Problem Liquids

Use a Greyline PDFM 5.1 Portable Doppler Flow Meter to monitor andbalance flow, or to troubleshoot flow problems in pipes. It is ideal tofullevaluate performance of in-line flow meters and can be installed,calibrated and started-up in minutes. Use it for projects where apermanent flowmeter is not required or to temporarily replace installedflow transmitters.

The PDFM 5.1 ultrasonic sensor is on the outside of a pipe. Anclampedacoustic pulse is reflected back to the sensor from particles or gases inthe flowing liquid. The flow rate of any fluid can be measured as long as itcontains air bubbles or solids. It is ideal for wastewater, slurries, sludge,and most chemicals, acids, caustics, and lubrication fluids.

With its internal battery the PDFM 5.1 can be operated all day and thenrecharged overnight. For continuous use it can be powered by a supplied110-240VAC wall plug adapter. A 300,000 point data logger is built-in.

Fast, Easy Flow MeasurementUltrasonicwith Non-Contacting Sensor

Portable Flow Meter

Troubleshoot Flow from Outside a Pipe

Quick, Easy Flow Measurements from Outside a Pipe

Each Greyline PDFM 5.1 comes complete with rugged watertight carrying case,strap-on sensor and stainless steel mounting kit. Use the simple 5-key menusystem to select units of measurement and to calibrate to any pipe diameter ½”(12.5 mm) or larger.

Simple start-up and Calibration

Sensor mounting and a full calibration can be done in just a few minutes. It isfast and easy! Put coupling compound ( ) on the sensor facegel included andmount on the outside of a pipe with the stainless steel mountingthe sensorbracket (supplied). fiveUse the -key calibration system to enter pipe diameterand to select your choice of engineering units (gallons, litres etc.) The PDFM5.1 will immediately begin to display, transmit and totalize.

No Calculations - No Programming Codes

Select your choice of display units: the PDFM 5.1 will display and totalize flow volume in gallons, lite s, cubic feet or cubicrmeters. If you change from one measurement system to another, the PDFM 5.1 will automatically and instantly calculateand convert the flow display and totalizer. alibrate to pipe size using the keypad to enter inside diameter.C the

Built-in 0,000 point Data ogger30 l and PC Software

Set up the PDFM 5.1's data logger to store time and date-stamped flow values from 1 second to minute intervals. Or use0 5the convenient 'Flow Report' format where total, minimum,maximum and average flow rates are stored in your choice ofhourly or daily summaries. Transfer flow logs to your PC or laptopthrough the PDFM 5.1's outpu . Greyline Logger softwareUSB t(included) displays data in both graph and table formats andexports to graphic or text file formats for use in other programs.

“Sleep Mode” for Extended Data Logging onBattery Power

Sleep mode extends battery life for long-term data logging atlocations where AC power input is not available. Between logging intervals the flowmeter drops into a stand-by mode untila flow reading is requested by the data logger. Flow rates are sampled continuously for 10 seconds and then the PDFM5.1 returns to sleep until the next logger point is required. With 5 minute sample intervals the PDFM can data log for about18 days on battery power.

New Signal Processing for reliable Accuracy

The PDFM 5.1 Doppler flow algorithm filters out background noise andinterference. The high speed digital signal processor discriminates againstweak and distorted signals. When the processor cannot measure accuratelythe meter will display zero flow and indicate low signal confidence.

Battery Powered a Full Day’s Workfor

With its built-in rechargeable battery, you can operate the PDFM 5.1 .NiMH up to 18 hours continuously Displaybrightness is adjustable to conserve power. (100-240VAC to activate the 4-20mA outputPlug into an AC outlet 50/60Hz)and recharge fully in to hours. You can continue to use the PDFM 5.1 while charging.to 6 8

Solve Flow Problems� Troubleshoot and Balance Flow� Check Performance of Pumps or other

Flow Meters

DOPPLER SIGNALBACKGROUND

NOISE

General Specifications

Flow Rate Range:

Pipe Size:

Display:

Power Input:

Outputs:

Data Logger:

PC Software:

Electronics Operating Temperature:

Electronics Enclosure:

Carry Case:

Accuracy:

Calibration:

Language Selection:

Sensitivity:

Approvals:

Sensor Specifications

Standard Model PSE :4

Sensor Mounting Kit:

Operating Temperature:

Options

Sensor Cable:

Sensor Mounting:

PDFM 5.1 Specifications

Greyline PDFM 5.1 Portable Doppler Flow Meter

± 1 ± 3 in most applications0. to 40 ft/sec ( 0.0 to 12.2 m/sec)

Ultrasonic Sensor mounts on any pipe from ½" to 180" ID (12.5 mm to 4.5 m)

White, backlit matrix - displays flow rate, totalizer, operating mode and calibration menu

Built-in NiMH battery for up to 18 hours continuous operation

External with 24 inputcharger 100- 0VAC 50/60Hz

4-20mA (500 ohm) when AC powered

USB for Data Log transfer by direct PC connection

P 30rogrammable 0,000 data point capacity, time and date stamped or formatted flow

reports including total, average, minimum, maximum and times of occurrence

‘ ’ s Vista or higher. RGreyline Logger for Window etrieves, displays and saves data log files

-10° to 140°F (-23° to 60°C)

Portable, ABS enclosure

Rated IP67 with protective molded foam insert

±2% of reading or 0.1 ft/sec (0.03 m/sec). Requires solids or bubbles minimum size of 100

microns, minimum concentration 75 ppm. Repeatability: ±0.1%, Linearity ±0.5%

Built-in -key programming with user-friendly calibration menu. Password protected.5

English, French, Spanish

Adjustable , Damping: adjustablecut-off

Charger is CE and UL approved. The PDFM 5.1 is not certified for use in hazardous rated

locations

Clamp-on, single-head ultrasonic for pipes from ½" to 180" ID (12.5 mm to 4.5 m) with12 ft (3.4 m) shielded dual-coaxial cable

Stainless steel pipe clamp and 5.3 oz. (150 g) silicone coupling compound

-40° to °F (-40° to °C)300 150

50 ft (15 m) sensor cable extension, shielded, with connectors

Extra silicone coupling compound. Additional stainless steel pipe clamps

Dimensions

ENCLOSURE

PSE4 ULTRASONICDOPPLER SENSOR

4.33”

110 mm

8”

204 mm

1.6”

41 mm

12 ft / 3.6 m

SIDE VIEW

3.375” / 85 mm1.375”

35 mm

1.5”

38 mm

END

VIEW

Ideal for Tough Flow ApplicationsThe PDFM 5.1 works best with difficult liquids in“ ”applications that would damage regular flow meters.Because the sensor is mounted on the outside of thepipe, there is no contact with the moving fluid.

The sensor straps onto the outside of pipe "ultrasonic s ½(12.5 mm) ID or larger and measures flow in common pipematerials: PVC, carbon steel, stainless steel, cast iron,fiberglass, and lined pipes...any pipe that conductsultrasound. Doppler signals cannot be transmitted throughpipe walls which contain air pockets (materials like concrete andwood), or loose insertion liners (with an air gap between the liner and pipewall). Because the sensor is so easy to install you can test any application andpipe material in a few minutes.

How it WorksThe PDFM 5.1 ultrasonic sensor injects highfrequency sound through the pipe wall and intothe flowing liquid. Gas bubbles or solidssuspended in the liquid reflect the ultrasonicsignal back to the sensor. When this soundis reflected from moving bubbles or particlesit is returned to the sensor at an alteredfrequency. This frequency shift is called theDoppler effect. The PDFM 5.1 continuouslymeasures the change from it's transmittedfrequency to the received frequency toaccurately calculate flow.

PDFM 5.1 PortableDoppler Flow Meter

� No Obstruction No Pressure Drop–� Just Minutes to Install and Calibrate

Contact a Greyline sales representative in your area or phone one of our salesengineers. Describe your requirements and receive our prompt quotation.

Take advantage of Greyline's applications experience. Phone 1-888-473-9546 foradvice and information on applications, installation or service for Greyline instruments.

The Greyline PDFM 5.1 Portable Doppler Flow Meter must meet your requirements.Discuss your application with a Greyline representative to arrange a performance test.

Quality of Materials and Workmanship - Each instrument manufactured by Greyline iswarranted against defects in materials and workmanship for a period of one year fromdate of purchase. Refer to our limited warranty included with each product.

How to Order

Applications Support

No Risk Appraisal

The Greyline Guarantee

Recommended or:f

� sewage

� treated wastewater

� aerated water

� sludge and slurries

� chemicals and solvents

� viscous liquids

� abrasives

� food products

� pulp stock

� acids and caustics

The PDFM 5.1 is ideal to

measure full pipe flow of

any liquid containing gas

bubbles or solids larger

than 100 microns and in

concentrations greater

than 75 ppm.

SOUND WAVETRANSMITTEDFROM SENSOR

BUBBLES OR SOLIDSREFLECT SOUND

SOUND WAVESREFLECTEDBACK TO SENSOR

SENSOR

USA: 11451 Belcher Road South, Largo, FL 33773Tel: 315-788-9500 / 888-473-9546 Fax: 315-764-0419

Canada: 16456 Sixsmith Dr., Long Sault, Ont. K0C 1P0Tel: 613-938-8956 / 888-473-9546 Fax: 613-938-4857

Internet: www.greyline.com E-mail: info@greyline.com